// 添加一个城市记录
/// <summary>
/// 添加一个城市记录
/// </summary>
/// <param name="cityName">新增的城市名称</param>
/// <returns>返回受影响的记录数;1:成功添加；0：已存在；-1：Error</returns>
public int AddCity(string cityName, out string errMsg)
{
errMsg = "";
try
{
//若城市已存在，则返回数值0
if (IsCityExist(cityName))
{
errMsg = "The city has been exist!";
return(0);
}
//新增成功，返回数值1
string query = "INSERT INTO dbo_LoadCity (LoadCity, LangType, IsDefault) VALUES ('"
+ cityName + "','" + _lang + "',0)";
return(_dao.ExecuteSql(query, _dao.GetConnLoadIndex()));
}
catch (Exception exc)
{
errMsg = exc.Message;
return(-1);
}
}